related to complex diseases should consult Online Mendelian Inheritance in Man (OMIM)at http://www.ncbi.nlm.nih.gov/sites/entrez?db=OMIM, the definitive catalog of human genes and genetic disorders. Findings from GWA studies are added to genes described in OMIM on a regular basis. More relevant to clinicians and patients may be the website and materials produced by the National Coalition for Health Professional Education in Genetics, a coalition of health professional organizations whose purpose is to promote health professional education and access to information about advances in human genetics, at http://www.nchpeg.org.